i would like to invite you to take part in our dinner party for celebrating my mother's birthday about her xx years old in the evening friday, xx,xx,xxxx, at my home. you have been my best partner all the time. as you know, my mother treats you as her one of children, recently, who misses you extremely. she also excepts your appearing in the night. what's more, the most of the friends invited are your good friends, if you come, i promise that you would't be boring. it starts at 7 o'clock. at the first, there will be a small concert when you are gong to enjoy a band who plays the classical instrument, who comes from the royal band. at the second, dinner is inaugurated at 8 o'clock, friends can have delicious food, and drink, at the same time, chat during the. finally, i will take some photographs of all friends for souvenir together. we do look forward to your coming.